The word Imetrical is misspelled against Immetrical, an adjective meaning "Not metrical or rhythmical."
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Immetrical has double "mm" is mispronounced as "m"
Remember double 'MM' in between the strings i & etrical which should not be misspelled with single 'M'
Wrong Spelling:  i-m-etrical 
Correct Spelling:  i-mm-etrical 
Find more wrongly spelled words of Immetrical to spell it well.